[llvm] Fix build warnings after 6fbc397964340ebc9cb04a094fd04bef9a53abc3 (PR #151100)

[David Sherwood via llvm-commits]

https://github.com/david-arm updated https://github.com/llvm/llvm-project/pull/151100

>From 8fbf97bb759c3c3e432bfb591c8ec23a6b4107dd Mon Sep 17 00:00:00 2001
From: David Sherwood <david.sherwood at arm.com>
Date: Tue, 29 Jul 2025 08:24:58 +0000
Subject: [PATCH] Fix build warnings after
 6fbc397964340ebc9cb04a094fd04bef9a53abc3

---
 llvm/lib/CodeGen/ComplexDeinterleavingPass.cpp | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/llvm/lib/CodeGen/ComplexDeinterleavingPass.cpp b/llvm/lib/CodeGen/ComplexDeinterleavingPass.cpp
index 0cf1a5b390ae4..9b2851eb42b40 100644
--- a/llvm/lib/CodeGen/ComplexDeinterleavingPass.cpp
+++ b/llvm/lib/CodeGen/ComplexDeinterleavingPass.cpp
@@ -2186,8 +2186,6 @@ Value *ComplexDeinterleavingGraph::replaceNode(IRBuilderBase &Builder,
     llvm_unreachable("Deinterleave node should already have ReplacementNode");
     break;
   case ComplexDeinterleavingOperation::Splat: {
-    auto *NewTy = VectorType::getDoubleElementsVectorType(
-        cast<VectorType>(Node->Real->getType()));
     auto *R = dyn_cast<Instruction>(Node->Real);
     auto *I = dyn_cast<Instruction>(Node->Imag);
     if (R && I) {
@@ -2225,8 +2223,6 @@ Value *ComplexDeinterleavingGraph::replaceNode(IRBuilderBase &Builder,
     auto *MaskImag = cast<Instruction>(Node->Imag)->getOperand(0);
     auto *A = replaceNode(Builder, Node->Operands[0]);
     auto *B = replaceNode(Builder, Node->Operands[1]);
-    auto *NewMaskTy = VectorType::getDoubleElementsVectorType(
-        cast<VectorType>(MaskReal->getType()));
     auto *NewMask = Builder.CreateVectorInterleave({MaskReal, MaskImag});
     ReplacementNode = Builder.CreateSelect(NewMask, A, B);
     break;
@@ -2279,9 +2275,6 @@ void ComplexDeinterleavingGraph::processReductionOperation(
   auto *OldPHIImag = ReductionInfo[Imag].first;
   auto *NewPHI = OldToNewPHI[OldPHIReal];
 
-  auto *VTy = cast<VectorType>(Real->getType());
-  auto *NewVTy = VectorType::getDoubleElementsVectorType(VTy);
-
   // We have to interleave initial origin values coming from IncomingBlock
   Value *InitReal = OldPHIReal->getIncomingValueForBlock(Incoming);
   Value *InitImag = OldPHIImag->getIncomingValueForBlock(Incoming);